Causes of underbite

What is underbite?

underbite (Underbite) It is one of the types of oral and dental abnormalities that cause tooth decay, gum infection, broken teeth, difficulty in speaking and eating, as well as pain in the face and head..

If this type of abnormality is not treated, more and more serious damage will be done to the teeth and jaw as well as the person himself.. There are various treatment methods for the treatment of lower jaw protrusion. Dental orthodontics and jaw surgery are the two main methods that we explain in detail below. In addition to the two mentioned methods, sometimes composite, laminate, special braces or tooth extraction are also used..

In this article, we intend to introduce you to underbite or prognathism of the mandible and describe the treatment methods for this condition..


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Jaw surgeon of Isfahan | Causes of underbite .

Underbite complication

As we said, underbite or Class 3 malocclusion is a type of jaw and teeth disorder.. In this type of disorder, the lower jaw deviates from its normal position and moves forward. In general, this abnormality causes the lower jaw to be placed on the upper jaw, in other words, the teeth of the lower jaw cover the upper jaw.. Mild cases of this abnormality may not cause a problem, but severe cases cause many problems, including chewing food, talking, having pain in the jaw, etc..

What are the causes of underbite?

Underbite, or the protrusion of the lower jaw and teeth, is caused by various reasons, and as a result, various problems arise in the jaw and teeth.. Of course, it should be noted that the causes of this complication are not yet definitely known. But some factors have an effect on the occurrence and extent of this complication, which include::

1.. Heredity or genetics

As you know, many diseases, including cleft lip or sugar lip, are genetic. The same is true of underbite creation. In fact, one of the most important reasons for the formation and shape of the jaw bones and the position of the teeth (Underbite or class 3 malocclusion) It is a person's genetics. This means that if one of the patient's family members has this abnormality, the possibility of underbite will also increase..

2.. Lack of proportion and order between jaw and teeth

We mean the lack of proportion and order between the jaw and teeth; Being smaller is short or long and the presence of bony deviation in the lower jaw with teeth. The mentioned cases can occur for various reasons, including shock and trauma in accidents, falling from high altitudes, and other such accidents.. As we said, these cases cause the lower jaw teeth to protrude.

۳. Jawbone related problems

Problems related to the jawbone are another factor that causes underbite. These problems include tumor growth in the lower jaw, abnormal bone growth in the jaw area, protrusion in the lower jaw, as well as receding in the upper jaw, fractures and bone deviation..

4.. Wrong habits of childhood and adulthood

One of the effective reasons for malocclusion is related to wrong habits in childhood and even adulthood. These bad habits include::

  1. Excessive sucking of thumb and other fingers
  2. Excessive pacifier sucking
  3. Applying pressure to the lower jaw teeth with the tongue
  4. Improper eating and as a result gastric reflux

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The cost of underbite treatment

The cost of mandibular prognathism treatment is one of the concerns of people suffering from this abnormality.. Many people do not take it seriously due to the almost high cost of treatment, which causes more serious and acute problems.. In the end, not following up on the treatment of this complication will cause you to pay more over time, because gradually this damage will become more serious and involve other organs of the body as well.. The cost of underbite treatment depends on the following factors:

  • The cost of tools and equipment needed for orthodontics such as headgear, braces, oral gag, wire material, etc.
  • The cost of examining the condition of the mouth and jaw, orthodontic sessions, orthodontist's salary
  • The cost of required tools, operating room, hospitalization, drugs, etc. to perform jaw surgery

These types of abnormalities are also covered by insurance, but the cost is calculated according to the tariff of the insurance company and the treatment center.

Frequently Asked Questions

1.. What is the difference between underbyte and overbyte?

Although underbite and overbite are both abnormalities and disorders related to the jaw that endanger the health of the jaw and cause appearance, verbal, swallowing, etc. problems.. Despite this anomaly, overbite and underbite are completely opposite to each other. This means that in the underbite, the lower jaw and its teeth protrude too much. While in overbite, these disorders occur in the lower jaw and its teeth.

2.. How long does it take to recover from jaw surgery?

The time required for recovery and the recovery period of jaw surgery is approximately 1 to 3 weeks. Although recovery is achieved after this period, the patient may also need orthodontics. Therefore, the orthodontist is required to use equipment and tools such as orthodontic retainers and dental braces..

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۳. Is it possible to prevent the creation of underbites?

As we said, the causes of Class 3 malocclusion are things like hereditary or genetic factors, trauma, problems related to the jaw and its bones, and incorrect habits during childhood and adulthood.. If the protrusion of the lower jaw is due to genetic or hereditary issues, it can be controlled and treated only with correct and timely diagnosis.. But if the underbite is created for other reasons, the following points should be considered to prevent it. These points include:

Not doing wrong habits in childhood and adulthood. Habits such as thumb sucking, pacifiers, putting pressure on the lower jaw with the tongue, etc.) Wearing jaw and teeth protection when participating in dangerous sports and competitions such as boxing, judo, karate, etc. .

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